21279669

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4603}}^1$

素因数の和:4696

約数の個数: 16

約数和(自身を含む): 30054912

約数和(自身を除く): 8775243

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4603, 4623, 13809, 105869, 308401, 317607, 925203, 7093223, 21279669]

約数ペア:

[(1, 21279669), (3, 7093223), (23, 925203), (67, 317607), (69, 308401), (201, 105869), (1541, 13809), (4603, 4623)]